Excel library

Excel IF and Logical Formulas

Logical formulas let a cell decide what to show: pass or fail, a grade, a bonus rate, a warning when a value is out of range. IF is the core of almost all of them, and AND, OR and NOT let one IF test several things at once.

When you need more than two outcomes, nest IFs or use IFS in Excel 2019 and later. For long lists of bands, a lookup table is usually easier to maintain than a deep nest.

These tutorials cover multiple conditions, else-if chains, blank and not-equal tests, categorising values into ranges, and pairing IF with conditional formatting.

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